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3 years ago

PLEASE HELP!!! I HAVE A QUIZ AND IDK WHAT TO DO I HAVE ATTACHED THE PICTURE!

Mathematics

1 answer:

Zepler [3.9K]3 years ago

8 0

Answer:

i know for the input 7, that you should put 15 because it rises by 2 each time

Step-by-step explanation:

hope that helped

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How do I convert 8.41 g/mL to Kg/L

Vlad1618 [11]

Milli(m) = 1/10^3 = 0.001
kilo(k) = 10^3 = 1000
8.41 * g/ml
= 8.41 g/mL / 1000 mL
= 0.00841 g/L
g = 10^3 * (1/10^3) * g
= (1/10^3) * kg
0.00841 g/L / 1000 g
= 0.00000841 kg/L

7 0

4 years ago

How do you factor 9x^3 + 64 <br> (Please show steps)

Novosadov [1.4K]

First, let's review the formula for the "sum of two cubes:"

a^3 + b^3 = (a + b)(a^2 - ab + b^2).

Unfortunately, 9 is not a perfect cube. The cube root of 9 is 9^(1/3), and the square of the cube root of 9 is therefore 9^(2/3).

Thus,

9x^3 + 64 = (9^(1/3)*x + 4) * (9^(2/3)x^2 - 4*9^(1/3) + 16)

8 0

3 years ago

The following data show the midterm and final exam scores in an English writing class. Student 1 2 3 4 5 6 7 8 9 10 11 12 Midter

tester [92]

Answer:

The co variance of the midterm and final exam scores is 58.76.

Step-by-step explanation:

The formula to compute the sample co variance is:

$Cov(x,y)=\frac{\sum(X-Mean\ of\ X)(Y-Mean\ of\ Y)}{n-1}$

The values are computed in the table below.

Compute the co variance as follows:

$Cov(x,y)=\frac{\sum(X-Mean\ of\ X)(Y-Mean\ of\ Y)}{n-1}\\=\frac{646.33}{12-1}\\ =58.76$

Thus, the co variance of the midterm and final exam scores is 58.76.

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3 years ago

Write the ratio in simplest form: 27 red markers to 12 blue markers

elena-14-01-66 [18.8K]

What do you mean by this? Do you have a picture

6 0

3 years ago

Shawna has $435.15 in her savings

galina1969 [7]

Answer:

H. $360.71

Step-by-step explanation:

The 1 in $435.15 is in the tenths place. It has a value of 1/10. One tenth that value is 1/100. To have that value, a 1 would need to be in the hundredths place: 0.01.

Of the offered choices, the only one with a 1 in the hundredths place is ...

H. $360.71

4 0

3 years ago